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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /focus/focus-double-sync-calls.html - WPT Dashboard Interop Dashboard
<!doctype html>
<head>
<meta charset=utf-8>
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Test calling focus() in "focus" event listener when focus has moved away</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
</head>
<body>
<input id="input1" placeholder="input1"/>
<input id="input2" placeholder="input2"/>
</body>
<script>
// This test tests calling focus() in the "focus" event
// listener on the element again when the focus has
// moved away.
async_test((t) => {
let previouslyCalled = false;
let counter = 0;
input1.addEventListener("focus", function(e) {
counter++;
if (!previouslyCalled) {
input2.focus();
previouslyCalled = true;
}
input1.focus();
if (counter !== 2) {
// If `lock-for-focus` is implemented, the above input1.focus()
// shouldn't work, so the counter should never be 2.
assert_unreached();
}
t.done();
});
input1.focus();
}, "Element.focus() in focus listener when focus has moved away");
</script>